Which supercharger is best for 5.7L? - Chrysler 300C Forum: 300C & SRT8 Forums
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post #1 of 43 (permalink) Old 01-21-2011, 01:43 PM Thread Starter
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Which supercharger is best for 5.7L?

Hey everyone, I have a 2010 AWD 300C on the way. Been shopping for superchargers and am comparing the SMS 296, Arrington TVS 2300, Vortech V3 and Procharger HO. Plan on adding headers, exhaust and KW V2 suspension. If I missed one for the 5.7 that is still available please add. Comparing HP/TQ gains, reliability, and maintenance which supercharger do you think is the best and best value?
If you have all ready posted information on superchargers on the forum, chances are I have all ready read it but would love an update on your supercharger. Thanks, Rich

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post #2 of 43 (permalink) Old 01-26-2011, 08:41 AM Thread Starter
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Picked up my 2010 300C AWD the other day and am very happy with it.
I have been leaning towards the Vortech kit as everything I've read points to better fuel economy until you put your foot into it. Looking more into the TVS 2300 set up. So far it looks like since it is belt driven you will lose maybe 1-2 mpg under normal conditions but seems to offer more HP/TQ gains throughout all rpms. Can anyone verify? Thanks!
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post #3 of 43 (permalink) Old 03-18-2011, 12:14 AM
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Quote:
Originally Posted by AWD300CYA View Post
Picked up my 2010 300C AWD the other day and am very happy with it.
I have been leaning towards the Vortech kit as everything I've read points to better fuel economy until you put your foot into it. Looking more into the TVS 2300 set up. So far it looks like since it is belt driven you will lose maybe 1-2 mpg under normal conditions but seems to offer more HP/TQ gains throughout all rpms. Can anyone verify? Thanks!
Congrats on the new ride. I like the twin screw for a supercharger but if you are concerned with mpg you should really look at a turbo, especially for higher boost. A good intercooler on either will help keep you in better priced gas. Don't know how much boost the new 5.7L pistons will take but they look very stout. Keep us posted on your choice and results.

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post #4 of 43 (permalink) Old 03-18-2011, 12:19 AM
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if you want to go boost on a 5.7 if it were me, i would go with twin turbos my self from sts but if your set on supercharging then procharger, kenne belle, techo, vortech are all good options keep it around 6psi on a stock 5.7 engine

Last edited by CoolVSRT8; 03-18-2011 at 12:20 AM.
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post #5 of 43 (permalink) Old 03-18-2011, 11:27 AM
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be careful not to run too much power / boost ...... AWDs have particularly stressed drive components - I believe the transfer box needs an upgrade to take the extra horses, but no-one seems to make upgraded components

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post #6 of 43 (permalink) Old 03-18-2011, 12:13 PM
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Quote:
Originally Posted by CoolVSRT8 View Post
if you want to go boost on a 5.7 if it were me, i would go with twin turbos my self from sts but if your set on supercharging then procharger, kenne belle, techo, vortech are all good options keep it around 6psi on a stock 5.7 engine
Very good advise for pre-2009 5.7L engines but may be outdated for 2009 and up. The top ring lands are much improved with the newer engines.


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be careful not to run too much power / boost ...... AWDs have particularly stressed drive components - I believe the transfer box needs an upgrade to take the extra horses, but no-one seems to make upgraded components
Myth
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post #7 of 43 (permalink) Old 03-18-2011, 01:14 PM
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Quote:
Originally Posted by midnightsun300c
Myth
really? yet theres lots of people claiming that. Either way, I have no stories from over here.... we dont get them & never have (or the 5.7 / 3.5 engines any more - its diesel or 6.1 only now....and those seem to be missing pending the new model arriving). Still it would be a shame to spend lots of money to find it wasnt a myth - do you have evidence either way, it would be useful to have a source to read?
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post #8 of 43 (permalink) Old 03-18-2011, 04:25 PM
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Quote:
Originally Posted by Kaiser Bill View Post
really? yet theres lots of people claiming that. Either way, I have no stories from over here.... we dont get them & never have (or the 5.7 / 3.5 engines any more - its diesel or 6.1 only now....and those seem to be missing pending the new model arriving). Still it would be a shame to spend lots of money to find it wasnt a myth - do you have evidence either way, it would be useful to have a source to read?
Yes a myth in every way. No evidence, lots of speculation, and proof to the contrary...that is pretty much a myth by definition. How many people do you consider a lot? I've only heard of two TC failings, both of which had fairly modest horsepower gains over stock, one with head and cam the other stroked. These failings were without the benefit of slicks, 10" tires, or even sub 12" ETs. With the clarity of hindsight the failings can better be explained with intermittent traction than anything else. The truth of the matter is the cause of failure is unknown, but what is known is that horsepower alone is not the cause.

I've been running over double stock horsepower for some time now with no TC issues. I've destroyed the right front axle tripod on launch without hurting the TC. The TC is not the weakest link on my setup. The OP has a 2010 with that has from what I hear is a 2 wheel drive option so the TC is even less of a concern with high horsepower.

I hope AWD300CYA posts back with some particulars on his 2WD/AWD transfer. If the power transfer is variable, something like a 75/25 split that still uses some front tire traction but delivers the bulk of the force to the rear half would seem to make the sky the limit for horsepower. Turn the boost down for winter and full time AWD at a 60/40 split and the boost up for summer and a 75/25 split.
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post #9 of 43 (permalink) Old 03-18-2011, 09:41 PM
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thats great you had no problems...........we all know about pre '09 axles & drive shafts, but in general everything in the power train on RWD seems pretty good. Its good to know they didnt drop the baton on the AWD. As with RWD though, the trans has pretty finite limits I guess?
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post #10 of 43 (permalink) Old 03-19-2011, 12:01 AM
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I think the NAG1 can handle a lot more horsepower than it is commonly given credit for. I think the culprit is line pressure when the hp goes north of 500. The clutch packs engage too slowly and burn up. A shift kit/valve body upgrade goes a long way in lengthening a stock trannys life. But everything has its limits and all increases in torque to the drivetrain presumably shorten its' life. I have been completely impressed so far with how well these cars handle the added stress. And yes, I have my fingers crossed when I say that...
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